The sound of silence

Recording by Paul Simon.

Recording identifiers

ISRC
FR9W12225491
CopyrightID (CopyrightChains transaction hash)
0x587464f1f2d1660a3cc5ba32a7e1ba9f527df07d2ffff7a422cdbddee97073c5
Copyright registration time
2026-06-24T07:35:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7b075bb55a7f8d037f96377194fece990347809a052c6d520c3c35576d6a59d3

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.